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H标签如何正确使用

H标签用于定义HTML文档中的标题。一般来说，一个HTML文档应该只有一个H1标签，表示主标题，而后续的章节标题则可以使用H2、H3等标签。以下是正确使用H标签的示例： ```html My Website

Welcome to My Website

About Us

We are a small company dedicated to bringing you the best products.

Our Products

We offer a wide range of high-quality products to meet all your needs.

Product 1

Product description goes here.

Product 2

Product description goes here.

``` 在这个例子中，我们首先定义了一个H1标签，表示主标题。然后我们使用H2标签定义关于我们和我们的产品的章节标题。最后，我们使用H3标签定义每个产品的名称。请注意，每个标题都应该在前面使用较小的数字，例如，H2标签应该在H1标签之后使用，而H3标签应该在H2标签之后使用。

Public @ 2023-06-25 22:50:21

H标签怎么优化

a：<h1>标签对页面最重要部分强调，一般用于页面标题。注意的是页面中的<h1>标签只能出现一对。b：<h2>，<h3>及其他<h>标签在同一页面中可多次出现，一般用于栏目名称，文章段落标题或小标题中。来源：搜外网

Public @ 2012-08-08 16:08:21

网站图片如何优化？

为什么网站图片要优化？图文并茂的文章使人阅读愉快，会起到意想不到的效果。只有文字内容会使人看着容易疲倦。在用户体验上，蜘蛛抓取上也尤为的重要。图片的优化不仅包括图片质量的清晰度，还要考虑到图片自身的名字命名。Goge、百度还不能有效地识别图片中的文字信息，我们要做的是尽可能给蜘蛛提供足够的主题信息。网站图片优化如下：一、at属性补充图片说明alt标签的优势在于能让蜘蛛很快地了解到图片的具体内容。不

Public @ 2021-04-22 15:16:42

H标签作用

在html里的每一个标签都有其自身的意义，而H标签作为标题标签，它的意义更是至关重要。对于H标签的用法特别是h1的用法一直是个争议的问题。一、H标签直观的告诉用户，网页哪部分是重要的，哪些是不那么重要的。heading 标签通常用来为用户展现网页的结构，由于heading 标签通常会使某些文字比普通的文字大，对于用户来说，便于他们更直观地看出这些文字的重要性，而且可以帮助他们理解heading文字

Public @ 2012-10-18 16:08:22

H标签是什么？H标签要怎么优化

H标签是什么意思H标签也叫做Heading标签，在HTML语言里一共有六种大小的heading标签，是网页HTML中对文本标题所进行的着重强调的一种标签，本质是为了呈现内容结构。Heading标签一共有H1、H2、H3、H4、H5、H6、H7六对，按照从大到小的Heading标签重要性下降，权重也依次下降。H标签是成对出现的，以H开始，以 /H 结束。H1、H2、H3、H4、H5、H6、H7作为标

Public @ 2011-07-28 16:08:21

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[ DB ] CONNECT:[ UseTime:0.020057s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.014826s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 9430 LIMIT 1 [ RunTime:0.013707s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'extra' => NULL, ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='cate' order by times desc limit 15 [ RunTime:0.014117s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by times desc limit 100 [ RunTime:0.014008s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by rand() limit 30 [ RunTime:0.014340s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 9430 LIMIT 1 [ RunTime:0.013742s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'extra' => NULL, ) ]
[ SQL ] update `ob_article` set views=views+2 where id=9430 [ RunTime:0.014426s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海网站页面优化' AND `status` <> -1 LIMIT 1 [ RunTime:0.023930s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海网站页面优化' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.032671s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海H标签' AND `status` <> -1 LIMIT 1 [ RunTime:0.021446s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海H标签' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.030388s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where; Using temporary; Using filesort', ) ]

0.391056s

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